diff --git a/internal/uidriver/glfw/ui_darwin.go b/internal/uidriver/glfw/ui_darwin.go
index 735539aef..39290419c 100644
--- a/internal/uidriver/glfw/ui_darwin.go
+++ b/internal/uidriver/glfw/ui_darwin.go
@@ -123,7 +123,6 @@ func clearVideoModeScaleCache() {}
 
 // dipFromGLFWMonitorPixel must be called from the main thread.
 func (u *UserInterface) dipFromGLFWMonitorPixel(x float64, monitor *glfw.Monitor) float64 {
-	// videoModeScale is always 1 on macOS.
 	return x
 }